5-Chloropyrazinoic acid → (R)-N-(3-(2-Amino-5,5-difluoro-4-methyl-5,6-dihydro-4H-1,3-oxazin-4-yl)-4-fluorophenyl)-5-chloropyrazine-2-carboxamide

HRID 1941833Notes

Reaction equation

HRID 1941833 reaction equation
[NH2:1][C:2]1[CH:3]=[CH:4][C:5]([F:18])=[C:6]([C@:8]2([CH3:17])[C:13]([F:15])([F:14])[CH2:12][O:11][C:10]([NH2:16])=[N:9]2)[CH:7]=1.[Cl:19][C:20]1[N:21]=[CH:22][C:23]([C:26](O)=[O:27])=[N:24][CH:25]=1>>[NH2:16][C:10]1[O:11][CH2:12][C:13]([F:14])([F:15])[C@:8]([C:6]2[CH:7]=[C:2]([NH:1][C:26]([C:23]3[CH:22]=[N:21][C:20]([Cl:19])=[CH:25][N:24]=3)=[O:27])[CH:3]=[CH:4][C:5]=2[F:18])([CH3:17])[N:9]=1

Participants

3

Reactant 2

HCID 4654725-Chloropyrazinoic acidHCID 58304207(R)-4-(5-amino-2-fluoro-phenyl)-5,5-difluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine

Product 1

HCID 53240912(R)-N-(3-(2-Amino-5,5-difluoro-4-methyl-5,6-dihydro-4H-1,3-oxazin-4-yl)-4-fluorophenyl)-5-chloropyrazine-2-carboxamide

Procedure

The condensation of (R)-4-(5-amino-2-fluoro-phenyl)-5,5-difluoro-4-methyl-5,6-dihydro-4H-[1,3]oxazin-2-ylamine (intermediate XI-1) and 5-chloro-pyrazine-2-carboxylic acid following procedure I yielded the title compound as a white solid. MS (ISP): m/z=400.1 [M+H]+.

Sources & evidence

ORD record
ord-2b4d9f4f8df04246ae12758e72866165
Source dataset
uspto-grants-2013_03
Patent number
US08389513B2

Reaction notes

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